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Detect Encoding for In- and Outgoing Text

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27 Oct 2009Public Domain7 min read 492.6K   23.2K   238  
Detect the encoding of a text without BOM (Byte Order Mask) and choose the best Encoding for persistence or network transport of text
#pragma warning disable 0108

namespace MultiLanguage
{
    using System;
    using System.Runtime.CompilerServices;
    using System.Runtime.InteropServices;
    using System.Security;

    [ComImport, InterfaceType((short) 1), ComConversionLoss, Guid("359F3441-BD4A-11D0-B188-00AA0038C969")]
    public interface IMLangFontLink : IMLangCodePages
    {
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void GetCharCodePages([In] ushort chSrc, out uint pdwCodePages);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void GetStrCodePages([In] ref ushort pszSrc, [In] int cchSrc, [In] uint dwPriorityCodePages, out uint pdwCodePages, out int pcchCodePages);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void CodePageToCodePages([In] uint uCodePage, out uint pdwCodePages);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void CodePagesToCodePage([In] uint dwCodePages, [In] uint uDefaultCodePage, out uint puCodePage);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void GetFontCodePages([In, ComAliasName("MultiLanguage.wireHDC")] ref _RemotableHandle hDC, [In, ComAliasName("MultiLanguage.wireHFONT")] ref _RemotableHandle hFont, out uint pdwCodePages);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void MapFont([In, ComAliasName("MultiLanguage.wireHDC")] ref _RemotableHandle hDC, [In] uint dwCodePages, [In, ComAliasName("MultiLanguage.wireHFONT")] ref _RemotableHandle hSrcFont, [Out, ComAliasName("MultiLanguage.wireHFONT")] IntPtr phDestFont);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void ReleaseFont([In, ComAliasName("MultiLanguage.wireHFONT")] ref _RemotableHandle hFont);
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType=MethodCodeType.Runtime)]
        void ResetFontMapping();
    }
}

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Written By
Software Developer (Senior)
Germany Germany
Carsten started programming Basic and Assembler back in the 80’s when he got his first C64. After switching to a x86 based system he started programming in Pascal and C. He started Windows programming with the arrival of Windows 3.0. After working for various internet companies developing a linguistic text analysis and classification software for 25hours communications he is now working as a contractor.

Carsten lives in Hamburg, Germany with his wife and five children.

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